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Ayagoz | |||||||||||||||||||||||||||||
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Basic information | Name: Ayagoz This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2018 Country: Kazakhstan Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 15 approved meteorites (plus 1 unapproved name) classified as Iron, IIIE. [show all] Search for other: IIIE irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||||||||||||||
Comments: | Approved 22 Feb 2019 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 108:
Ayagoz ~47°50’E, ~80°26’E Semipalatinsk, Kazakhstan Find: 2000 Classification: Iron meteorite (IIIE) History: A large iron meteorite was found in prairie by a horse rider in 2000, ~12 km south of Ayagoz. A 38.9 kg piece and a 7 kg piece were brought to two different dealers by Jevgenijs Suhanovs in Ayagoz city. Samples from both pieces were analyzed to confirm they came from the same meteorite. Physical characteristics: The main mass is covered with light-brown rust. Cut surface reveals a fresh metallic interior. Petrography: Examination of etched sections reveals a coarse octahedrite structure (Og) with kamacite bandwidth 1.35±0.37 mm (N=15). Neumann bands are common. Kamacite displays epsilon-structure. Black plessite is common. Notable minerals include schreibersite (common), chromite, troilite, daubreelite. Geochemistry: (M. D’Orazio, DST-PI): Composition of the metal (ICP-MS; D’Orazio and Folco, 2003) is Ni=8.79, Co=0.484 (both in wt%), Cu=113, Ga=17.6, Ge=35, As=4.9, Mo=7.1, Ru=5.4, Rh=1.57, Pd=3.4, Sn=0.07, Sb=0.15, Ir=0.30, Pt=6.7, Au=0.83 (all in ppm). Classification: Iron (IIIE) Specimens: Type specimen and two polished sections at CEREGE | ||||||||||||||||||||||||||||
Data from: MB108 Table 0 Line 0: |
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Institutions and collections |
CEREGE: CEREGE
BP 80
Avenue Philibert, Technopole de l'Arbois
13545 Aix-en-Provence Cedex 4
France, France (institutional address; updated 10 Jun 2023) DST-PI: Dipartimento di Scienze della Terra, Università di Pisa, Via S. Maria 53, 56126 Pisa, Italy (institutional address; updated 17 Oct 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Geography:![]() |
Statistics: This is 1 of 3 approved meteorites from Semipalatinsk, Kazakhstan (plus 1 impact crater) This is 1 of 24 approved meteorites from Kazakhstan (plus 4 impact craters) | ||||||||||||||||||||||||||||
Proximity search: |